1.The effect of high-frequency electrotome on the healing of perineal incision in patients undergoing Miles′ procedure for rectal carcinoma
Aide LIN ; Qingyi LIU ; Zengjun LI
Chinese Journal of General Surgery 1993;0(02):-
0.50).ConclusionsThe use of high-frequency electrotome significantly increases the postoperative perineal complications. The packing of greater omentum and perineal electromagnetic wave irradiation reduce the occurrence of the side effects.
2.Innate Immune Evasion Mechanisms of Pseudorabies Virus.
Yaozong LIU ; Ping RUI ; Rui MA ; Zengjun MA
Chinese Journal of Virology 2015;31(6):698-703
Pseudorabies is an economically important disease in a variety ot animals caused by pseudorabies virus. Since 2011, pseudorabies outbreaks occurred in many regions of China. Related researches on this virus become a hot topic in virology and veterinary. One of the difficulties for pseudorabies prevention and control is innate immune evasion. Explorations on this issue are conducive to the development of vaccine and drugs. Therefore, this review summarized the recent research progress on the mechanisms of pseudorabies virus innate immune evasion. Theoretical direction was provided on effetive prevention and control of pseudorabies owing to this review.
Animals
;
Herpesvirus 1, Suid
;
genetics
;
immunology
;
Humans
;
Immune Evasion
;
Immunity, Innate
;
Pseudorabies
;
immunology
;
virology
3.Analysis of complicating ascites of mini-percutaneous nephrolithotripsy
Yu LIU ; Zhenjia GUO ; Zengjun ZHU ; Wenwen SUN
Chinese Journal of Postgraduates of Medicine 2014;37(5):17-19
Objective To explore the clinical causes and preventive measures of complicating ascites of mini-percutaneous nephrolithotripsy (MPCNL).Methods Retrospective analysis of 285 patients with MPCNL for upper urinary tract calculus,which were divided into ascites group and no-ascites group.Results All the procedures were successful.Ascites group of 21 cases,no-ascites group of 264 cases.Univariate analysis showed that the diameter and number of calculus,perfusion pressure,perfusion time,pressure volume of irrigation fluid,preoperative upper urinary tract infection,history of treatment associated with complicating ascites (P< 0.05),with age,gender,body mass index no correlation (P> 0.05).Logistic regression analysis showed that perfusion pressure,perfusion time,pressure volume of irrigation fluid was independent risk factors after MPCNL concurrent ascites (P < 0.05).Conclusions MPCNL concurrent ascites are closely related to the large perfusion volume,the long operative perfusion time,the high perfusion pressure of irrigation fluid.On the premise of keeping the operative visual field clear,as far as possible to reduce the perfusion pressure,control irrigation fluid-flow rate,reduce the large peffusion volume.These could decrease the coincidence of the ascites.
4.Two radiotherapy treatment planning systems in comparison of dose calculating results for simulation phantom,patients and homogeneous organization phantom
Zengjun ZHAO ; Jie LU ; Yong YIN ; Baosheng LI ; Tonghai LIU
Chinese Journal of Radiation Oncology 2008;17(4):308-311
Objective Using Eclipse and Pinnacle3 V 7.4f treatment planning sytems (TPS) for dose calculation of the CT images of simulation phantom,patients and homogeneous organization phantom,to compare the differences between the two TPS for the calculation of non-uniform organizations.Methods For the CT images of simulation phantom,patients and homogeneous organization phantom,the calculating results between the two TPS were compared,including the common used clinical indexes of V20 and V30 of the lung,D95 of the planning target volume,the doses of the ISO and eight points of interest inside ISO slice.Resuits For simulation phantom and patients,although the calculating differences of the isocenter doses between the two TPS were small,the differences of other indicators were large.For example,when using secondary collimator irradiation,the maximal D95 difference of planning target volume reached 10.17%for patients and 4.64%for simulation phantom.When using muhileaf collimator irradiation,the maximal D95 difference reached 10.74%for patients and 5.66%for simulation phantom.Sometimes the dose differences of points 1-4 at the edge of planning target volume were more than 10%.In addition,the V30 differences of the lung were large too.But for the homogeneous organization phantom,the calculating differences were small.Conclusions The calculating differences between the two TPS are less for simulation phantom than for patients,and more for simulation phantom and patients than for homogeneous organization phantom.
5.Gray Matter Heterotopia:CT Diagnosis
Bo LIU ; Jiping DONG ; Zengjun ZHANG ; Jufen JIANG ; Yuhua WANG
Journal of Practical Radiology 2001;0(09):-
Objective To analyze the CT appearances and the classification of gray matter heterotopia.Methods The clinical and CT data of 26 cases with gray matter heterotopia were retrospectively reviewed,11 were males and 15 were females,ranged in age from 2 days to 9 years with a mean of 2.6 years.Results The classification of heterotopia included:(1)Subependymal heterotopia in 14,5 cases with encephaloceles,1 case with Dandy-Walker malformation and 1 case with arachnoid cyst of cisterna megna.(2)Subcortical heterotopia in 7,4 cases with callosal agenesis were accompanied.(3)Band heterotopia in 5.Conclusion CT scan can not only reveal the appearances of the subependymal,subcortical and band types heterotopia,but also show other associated abnormalities.
6.CT Diagnosis of Traumatic Cerebral Lacunar Infarction in Children
Bo LIU ; Zengjun ZHANG ; Mingxia HUANG ; Maosheng DU
Journal of Practical Radiology 1992;0(11):-
Objective To investigate CT features and its diagnostic value of traumatic cerebral lacunar infarction. Methods Axial CT scan was performed in 26 cases of brain injury with clinical manifestation of different degree of hemiplega.Results The infarction appeared as small lacunar focuses which were located mainly in the regions of lenticular nucleus,caudate nucleus and internal capsule.Conclusion CT scan is of significant value in diagnosing the traumatic cerebral lacunar infarction and assessing its prognosis.
7.Correlation analysis of indolent B-cell non-Hodgkin lymphoma and hepatitis virus
Wei LIU ; Wenjie XIONG ; Heng LI ; Huimin LIU ; Zengjun LI ; Rui LV ; Lugui QIU ; Shuhua YI
Chinese Journal of Clinical Oncology 2016;43(11):480-485
Objective:To differentiate hepatitis B virus (HBV) infection from hepatitis C virus (HCV) infection among different indolent B-cell non-Hodgkin lymphoma (B-NHL) subtypes. The correlation between indolent B-NHL and hepatitis viral infection was also investi-gated. Methods:A total of 733 indolent B-NHL patients from January 1994 to January 2014 with integrated clinical information were retrospectively investigated. We compared the hepatitis viral infection between the general population and indolent B-NHL patients. We analyzed the infection rate of hepatitis virus in the different indolent B-NHL subtypes and examined their correlations. Results:The HBs-Ag positive rate of the indolent B-NHL was 7.9%, which was not significantly different with that of the general population (7.9%vs. 7.2%, P=0.548). Among the different indolent B-NHL subtypes, the 48 splenic marginal zone lymphoma (SMZL) patients exhibited the highest HBs-Ag positive rate, which was significantly higher than those of the general population (18.8%vs. 7.2%, P=0.002), other indo-lent B-NHL subtypes (18.8%vs. 7.2%, P=0.004), and other marginal zone B-cell lymphoma (MZL) patients (18.8%vs. 7.1%, P=0.005). The HBs-Ag positive rates between other B-NHL subtypes and the general population were not significantly different. The coexpression of HBs-Ag, HBe-Ag, and anti-HBc-Ab exhibited no significant difference among the various B-NHL subtypes. However, the co-expres-sion of HBs-Ag, HBe-Ab, and anti-HBc-Ab was significantly higher in the SMZL group than the other B-NHL subtypes (16.7%vs. 4.7%, P<0.001).The positive rate of the anti-hepatitis C virus antibody (HCV-Ab) was 1.9%in 733 indolent B-NHL patients, which was significant-ly higher than in the general population (1.9%vs. 0.4%, P<0.001). The HCV-Ab positive rates in the chronic lymphocytic leukemia, lym-phoplasmacytic lymphoma/Waldenstr?m macroglobulinemia, SMZL, hairy cell leukemia, nodal marginal zone B-cell lymphoma group were 2.2%, 2.5%, 4.2%, 3%, and 3.7%, respectively. These values were significantly higher than those of the general population. Preva-lence rates of HCV in B-cell lymphoproliferative disorders, unclassified, extranodal marginal zone B-cell lymphoma of mucosa-associat-ed tissue lymphoma, B-cell prolymphocytic leukemia, and follicular lymphoma groups were not significantly different compared with the general population. Conclusion:Prevalence rate of HBV was higher in the SMZL group than other indolent B-NHL groups, which suggests that HBV infection may play an etiologic role in SMZL.
8.Cladribine for treatment on hairy cell leukemia: three cases report and literatures review
Wenjuan YANG ; Zengjun LI ; Junyuan QI ; Wei LIU ; Yan XU ; Yaozhong ZHAO ; Lugui QIU
Journal of Leukemia & Lymphoma 2013;22(2):98-100
Objective To observe clinical response of the cladribine in the treatment of hairy cell leukemia.Methods Three patients were treated with cladribine 10 mg ivgtt for 3 or 5 days.Results Among 3 patients,2 patients achieved complete remission and 1 patient achieved near complete remission.Conclusion Cladribine has high efficacy and a favorable toxicity when adminisered to patients with hairy cell leukemia.
9.Molecular Biology, Affiliated Hospital of LuzhouMedical College from May 2007 to April 2008.
Xinjun LI ; Yingying LIU ; Xiangguo XIA ; Hong XU ; Yi ZENG ; Zengjun ZHOU
Chinese Journal of Tissue Engineering Research 2009;13(19):3776-3780
BACKGROUND: Studies have demonstrated that exogenous neural stem calls (NSCs) could repair nerve and promote recovery of neurofunction following cerebral hemorrhage. However, the influence of internal environment after cerebral hemorrhage on the survival and differentiation of NSCs is a complex and variable process.OBJECTIVE: To observe the survival and differentiation of human embryonic NSCs implanted in rats with cerebra hemorrhage.DESIGN, TIME AND SETTING: Open, immunohistochemistry, experiment was performed at the Laboratory of Molecular Biology, Affiliated Hospital of Luzhou Medical College from May 2007 to April 2008.MATERIALS: A total of 40 female SD rats were provided by the Experimental Animal Institute, Chinese Academy of Medical Sciences. Brain of 8-week aborted fetus was obtained from Department of Gynaecology and Obstetrics, the People's Hospital of Deyang City.METHODS: Cerebral cortex cells of 8-week aborted human fetus were harvested and cultured in vitro to obtain human embryonic NSCs. Cerebral hemorrhage rat models were established via injection of autologous arterial blood in caudate nucleus. Two days after modeling, 5 μL BrdU-labeled human embryonic NSCs suspension was transplanted at four points surrounding hematoma cavity in the rats. After 1 and 2 weeks, rats were sacrificed. Adjacent sections were doubly stained by BrdUImicrotubule-associated protein 2 (MAP-2) and BrdU/glial fibrillary acidic protein (GFAP).MAIN OUTCOME MEASURES: The survival, immigration and differentiation of human embryonic NSOs implanted in rats were observed by immunohistochemistry and immunofluorescance staining.RESULTS: BrdU-positive cells were oval and brown. At 1 and 2 weeks after implantation, BrdU-positive calls survived and migrated, and they migrated more widely at 2 weeks after implantation. At 1 week after implantation, BrdU/MAP-2-positive cells and BrdU/GFAP-positive calls were observed in cerebral tissue sections, and the number of BrdU/MAP-2-positive cells was more than BrdU/GFAP-positive calls; At 2 weeks after implantation, BrdU-positive cells found in choroid plexus and blood capillary were significantly reduced, and BrdU/GFAP-positive calls were more than BrdU/MAP-2- positive cells.CONCLUSION: Implanted human embryonic NSCs can survive and migrate in the hemorrhage region, gradually differentiate into neurons or astrocytes.
10.Bone Marrow Mesenchymal Stem Cell Transplantation in the Repair of Rat Spinal Cord Hemisection Injury
Jinsheng WU ; Aiping DONG ; Xiaocui WANG ; Zhixin WEI ; Weiguang LIU ; Zhimin LUAN ; Zengjun ZHU
Acta Laboratorium Animalis Scientia Sinica 2010;18(1):-
objective To investigate the differentiation of bone marrow-derived mesenchymal stem cells into neurons and transplantation of the stem ceils to repair rat hemisection spinal cord injury.Methods Adherent culture was used to isolate and culture rat bone marrow mesenchymal stem cells(MSCs).The rat spinal cord homogenate supernatant was used to induce neural differentiation of the 3rd generation ceils.The nature of ceil differentiation was identified by immunohistochemistry.The rat model of hemisection spinal cord injury was prepared and BrdU was locally injected to label the induced neurons.The distribution of living cells in the injuried spinal cord was observed at 5 weeks after cell transplantation.Results MSCs were spindle and polygonal,with 1-2 nucleoli seen under the inverted microscope.After induction with spinal cord homogenate supernatant there were a number of slender cytoplasmic projections forming interwined network and showing nestin expression,therefore,indicating the neuronal nature.MSCs at 5 weeks after transplantation into the spinal cord injury were surviving and their expression of MAP-2,NF,GFAP was significantly higher than that in the control rats(P<0.05).The rat motor function was improved than before transplantation.Conclusion MSCs induced by spinal cord homogenate supernatant can be transplanted into hemisection spinal cord injury and improve the motor function of the injuries lesions.